Cockpits. This
setting controls the resolution of textures used for vehicle
interiors, options available being 64 x 64, 128 x
128 & 256 x 256. The Higher this value the
sharper textures for vehicle interiors will appear, although
performance can be lowered (Especially on low memory
Graphics cards). The Lower this value the more blurred
textures for vehicle interiors will appear in the game. If
you have less than 16MB Video memory you should consider set
this to 128 x 128 or lower, although this can depend
on how often you actually intend to use interior views of
vehicles.

Objects. This
setting controls the resolution of textures used for other
models. options available being 64 x 64, 128 x 128
& 256 x 256. The Higher this value the sharper
textures for these models will appear, although performance
can be lowered (Especially on low memory Graphics cards).
The Lower this value the more blurred textures for vehicle
interiors will appear in the game. If you have less than
16MB Video memory you should consider set this to 128 x
128 or lower, although this can depend on how often you
actually intend to use interior views of vehicles.

Landscape. This
setting controls the resolution of textures used for the
Game environment, options available being 64 x 64
& 128 x 128. The Higher this value the sharper
textures for the environment will appear, although
performance can be lowered (Especially on low memory
Graphics cards). The Lower this value the more blurred
textures for the environment will appear. Given that the
Game is primarily played in the open I’d recommend setting
this to 128 x 128 at all times unless you have a
Graphics Card with a very low amount of Video memory
available.

Special Effects.
This setting controls the resolution of textures used for
vehicle interiors, options available being 32 x 32, 64
x 64 & 128 x 128. The Higher this value the
sharper textures for vehicle interiors will appear, although
performance can be lowered (Especially on low memory
Graphics cards). The Lower this value the more blurred
textures for vehicle interiors will appear in the game. If
you have less than 16MB Video memory you should consider set
this to 128 x 128 or lower, although this can depend
on how often you actually intend to use interior views of
vehicles.

Auto drop-down.
This option seems to determine whether or not the Game can
dynamically reduce the detail of textures during the Game,
although I’ve not noticed it doing anything when I play
the Game. Those on lower performing systems may wish to try
setting this to 4x or 2x to try improve
performance.

The screenshots beneath
illustrate the visual effects of using lower resolution
textures for Objects & Landscape compared
to using high resolution textures for Objects & Landscape.
Click on the images for the original full screen versions.

Low
resolution textures

High
resolution textures

As you can clearly see,
the low resolution textures offer a less detailed, more
blurred image in the Game. If at all possible you should try
to use the highest resolution textures available for greatly
improved image quality.

Now select the Details
tab.

Max. objects. This
slider determines the maximum amount of objects that may be
rendered at any time. Similar to the Geometry performance
setting you should slide this to the far right if you have a
fast CPU or an onboard T&L featuring Graphics card.
Those on slower systems should reduce this to around 100
or so, depending on current frame rates.

Shadows/Objects
LOD. This sliders control the level of detail used in
shadows & on objects. Seemingly 1.000 provides
the lowest level of detail, whereas 0.005 provides
the greatest. The screenshots beneath show the difference in
image quality between setting both of these options to 1.000
& 0.005 respectively. In particular pay attention
to the buildings.